Display screen or portion thereof with an animated graphical user interface



FIG. 1 is a front view of a first image of a display screen or portionthereof with an animated graphical user interface;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a second embodiment thereof, the first andsecond images are shown in FIGS. 1 and 2, and FIG. 4 shows the thirdimage;

FIG. 5 is a front view of a third embodiment thereof, the first andsecond images are shown in FIGS. 1 and 2, and FIG. 5 shows the thirdimage;

FIG. 6 is a front view of a fourth embodiment thereof, the first andsecond images are shown in FIGS. 1 and 2, and FIG. 6 shows the thirdimage; and,

FIG. 7 is a front view of a fifth embodiment thereof, the first andsecond images are shown in FIGS. 1 and 2, and FIG. 7 shows the thirdimage.

The outermost broken lines illustrate a display screen or portionthereof and form no part of the claimed design. The remaining brokenlines, illustrating portions of the animated graphical user interface,form no part of the claimed design. The appearance of the imagetransitions sequentially between the images shown in FIGS. 1, 2 and 3;FIGS. 1, 2 and 4; FIGS. 1, 2 and 5; FIGS. 1, 2 and 6; and FIGS. 1, 2 and7. The process or period in which one image transitions to another formsno part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withan animated graphical user interface, as shown and described.